S400LV-1-N

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Type 3 surge protection, nominal voltage: 24 V AC/DC
S400LV-1-N is a type 3 surge protection device for 24 Vac/dc power supply lines...

S400HV-2

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230 Vac surge protection, type 2, 3-conductor (L, N, PE)
S400HV-2 is a multi-pole surge arrester without FM contact, universal plug-in ty..

S400LV

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Electronic protection for power supply lines up to 35 V
S400LV is a solid-state electronic protection device for the power supply lines ..